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Coking and corrosion of the tube bundle in platinum reforming units used in the petrochemical industry after pre-hydrogenation of the products

2025-03-17View Original

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The image below shows a platinum reforming unit in the petrochemical industry, with the pre-hydrogenation products passing through the tube bundle. Operating conditions: Tubing: medium, circulating water; temperature 35°C, pressure 0.4 MPa. Shell side: Medium, gasoline; temperature 120°C, pressure 1.3 MPa. The outer wall is severely corroded with a lot of rust; high-pressure water is used to clean the black deposits. It is recommended to consider using a coating for corrosion protection on such tubes.

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